Could the following G code be annotated, describing each major stage of the milling programme, explain what each major line of code does.

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* Turret No. : 1 Diameter :6.000 MM ENDMILL * Turret No. : 2 Diameter :3.000 MM ENDMILL * ********************************************************************** * Machine Tool : Generic ISO G-code Mill * * Total Machining Time (including Toolchange) : 6.586 Minutes ********************************************************************** %:0941 G40 G71 N10 (ROUGH MILL OPERATION) N20 T01 G17 S2000 N30 M06 N40 G00 X2.688 Y0.0 M3 N50 Z5.0 M8 N60 G1 X2.558 Y0.825 Z4.935 F150.0 N70 X2.178 Y1.569 Z4.871 N80 X1.588 Y2.16 Z4.806 N90 X0.844 Y2.539 Z4.742 N100 X0.019 Y2.669 Z4.677 N110 X-0.806 Y2.539 Z4.612 N120 X-1.55 Y2.16 Z4.548 N130 X-2.141 Y1.569 Z4.483 N140 X-2.52 Y0.825 Z4.419 N150 X-2.65 Y0.0 Z4.354 N160 X-2.522 Y-0.813 Z4.29 N170 X-2.148 Y-1.547 Z4.227 N180 X-1.566 Y-2.129 Z4.163 N190 X-0.832 Y-2.503 Z4.099 N200 X-0.019 Y-2.632 Z4.036 N210 X0.795 Y-2.503 Z3.972 N220 X1.528 Y-2.129 Z3.908 N230 X2.11 Y-1.547 Z3.845 N240 X2.484 Y-0.813 Z3.781 N250 X2.613 Y0.0 Z3.717 N260 X2.486 Y0.802 Z3.655 N270 X2.118 Y1.525 Z3.592 N280 X1.544 Y2.099 Z3.529 N290 X0.82 Y2.468 Z3.466 N300 X0.018 Y2.595 Z3.403 N310 X-0.783 Y2.468 Z3.341 N320 X-1.507 Y2.099 Z3.278 N330 X-2.081 Y1.525 Z3.215 N340 X-2.449 Y0.802 Z3.152 N350 X-2.576 Y0.0 Z3.09 N360 X-2.451 Y-0.791 Z3.028 N370 X-2.088 Y-1.504 Z2.966 N380 X-1.522 Y-2.07 Z2.904 N390 X-0.809 Y-2.433 Z2.842 N400 X-0.018 Y-2.558 Z2.78 N410 X0.772 Y-2.433 Z2.718 N420 X1.486 Y-2.07 Z2.656 N430 X2.051 Y-1.504 Z2.594 N440 X2.415 Y-0.791 Z2.533 N450 X2.54 Y0.0 Z2.471 N460 X2.417 Y0.779 Z2.41 N470 X2.058 Y1.482 Z2.349 N480 X1.5 Y2.04 Z2.288 N490 X0.797 Y2.399 Z2.227 N500 X0.018 Y2.522 Z2.165 N510 X-0.762 Y2.399 Z2.104 N520 X-1.465 Y2.04 Z2.043 N530 X-2.023 Y1.482 Z1.982 N540 X-2.381 Y0.779 Z1.921 N550 X-2.504 Y0.0 Z1.86 N560 X-2.383 Y-0.768 Z1.8 N570 X-2.029 Y-1.462 Z1.74 N580 X-1.479 Y-2.012 Z1.68 N590 X-0.786 Y-2.365 Z1.62 N600 X-0.018 Y-2.487 Z1.56 N610 X0.751 Y-2.365 Z1.499 N620 X1.444 Y-2.012 Z1.439 N630 X1.994 Y-1.462 Z1.379 N640 X2.347 Y-0.768 Z1.319 N650 X2.469 Y0.0 Z1.259 N660 X2.349 Y0.758 Z1.199 N670 X2.001 Y1.441 Z1.14 N680 X1.458 Y1.983 Z1.081 N690 X0.775 Y2.332 Z1.021 N700 X0.017 Y2.452 Z0.962 N710 X-0.74 Y2.332 Z0.903 N720 X-1.424 Y1.983 Z0.843 N730 X-1.966 Y1.441 Z0.784 N740 X-2.314 Y0.758 Z0.725 N750 X-2.434 Y0.0 Z0.666 N760 X-2.316 Y-0.747 Z0.607 N770 X-1.973 Y-1.421 Z0.549 N780 X-1.438 Y-1.956 Z0.49 N790 X-0.764 Y-2.299 Z0.432 N800 X-0.017 Y-2.417 Z0.373 N810 X0.73 Y-2.299 Z0.315 N820 X1.404 Y-1.956 Z0.256 N830 X1.938 Y-1.421 Z0.198 N840 X2.282 Y-0.747 Z0.139 N850 X2.4 Y0.0 Z0.081 N860 X2.283 Y0.742 Z0.023 N870 X1.942 Y1.411 Z-0.035 N880 X1.411 Y1.942 Z-0.094 N890 X0.742 Y2.283 Z-0.152 N900 X0.0 Y2.4 Z-0.21 N910 X-0.742 Y2.283 Z-0.268 N920 X-1.411 Y1.942 Z-0.326 N930 X-1.942 Y1.411 Z-0.384 N940 X-2.283 Y0.742 Z-0.442 N950 X-2.4 Y0.0 Z-0.5 N960 G17 G3 X-2.39 Y0.215 I2.4 J0.0 N970 G1 X-2.4 Y0.0 N980 X-2.35 Y-2.431 N990 G3 X-1.568 Y-3.832 I2.624 J0.546 N1000 G1 X-1.027 Y-4.216 N1010 X-0.475 Y-4.473 N1020 X0.071 Y-4.627 N1030 X0.601 Y-4.696 N1040 X1.373 Y-4.647 N1050 X1.932 Y-4.532 N1060 X2.155 Y-4.469 N1070 G3 X2.409 Y-4.371 I-0.41 J1.443 N1080 G1 X2.49 Y-4.331 N1090 G3 X4.958 Y0.643 I-2.492 J4.336 N1100 X-4.958 Y-0.643 I-4.957 J-0.647 N1110 G1 X-4.821 Y-1.323 N1120 G3 X2.49 Y-4.331 I4.821 J1.329 N1130 X3.027 Y-3.77 I-0.778 J1.283 N1140 G00 Z5.0 N1150 G00 X-2.4 Y0.0 N1160 G00 Z0.51 N1170 G00 Z-0.49 N1180 G1 X-2.283 Y-0.742 Z-0.515 N1190 X-1.942 Y-1.411 Z-0.541 N1200 X-1.411 Y-1.942 Z-0.566 N1210 X-0.742 Y-2.283 Z-0.592 N1220 X0.0 Y-2.4 Z-0.617 N1230 X0.742 Y-2.283 Z-0.643 N1240 X1.411 Y-1.942 Z-0.668 N1250 X1.942 Y-1.411 Z-0.694 N1260 X2.283 Y-0.742 Z-0.719 N1270 X2.4 Y0.0 Z-0.745 N1280 X2.283 Y0.742 Z-0.77 N1290 X1.942 Y1.411 Z-0.796 N1300 X1.411 Y1.942 Z-0.821 N1310 X0.742 Y2.283 Z-0.847 N1320 X0.0 Y2.4 Z-0.872 N1330 X-0.742 Y2.283 Z-0.898 N1340 X-1.411 Y1.942 Z-0.923 N1350 X-1.942 Y1.411 Z-0.949 N1360 X-2.283 Y0.742 Z-0.974 N1370 X-2.4 Y0.0 Z-1.0 N1380 G3 X-2.39 Y0.215 I2.4 J0.0 N1390 G1 X-2.4 Y0.0 N1400 X-2.35 Y-2.431 N1410 G3 X-1.568 Y-3.832 I2.624 J0.546 N1420 G1 X-1.027 Y-4.216 N1430 X-0.475 Y-4.473 N1440 X0.071 Y-4.627 N1450 X0.601 Y-4.696 N1460 X1.373 Y-4.647 N1470 X1.932 Y-4.532 N1480 X2.155 Y-4.469 N1490 G3 X2.409 Y-4.371 I-0.41 J1.443 N1500 G1 X2.49 Y-4.331 N1510 G3 X4.958 Y0.643 I-2.492 J4.336 N1520 X-4.958 Y-0.643 I-4.957 J-0.647 N1530 G1 X-4.821 Y-1.323 N1540 G3 X2.49 Y-4.331 I4.821 J1.329 N1550 X3.027 Y-3.77 I-0.778 J1.283 N1560 G00 Z5.0 N1570 G00 X-2.4 Y0.0 N1580 G00 Z0.01 N1590 G00 Z-0.99 N1600 G1 X-2.283 Y-0.742 Z-1.015 N1610 X-1.942 Y-1.411 Z-1.041 N1620 X-1.411 Y-1.942 Z-1.066 N1630 X-0.742 Y-2.283 Z-1.092 N1640 X0.0 Y-2.4 Z-1.117 N1650 X0.742 Y-2.283 Z-1.143 N1660 X1.411 Y-1.942 Z-1.168 N1670 X1.942 Y-1.411 Z-1.194 N1680 X2.283 Y-0.742 Z-1.219 N1690 X2.4 Y0.0 Z-1.245 N1700 X2.283 Y0.742 Z-1.27 N1710 X1.942 Y1.411 Z-1.296 N1720 X1.411 Y1.942 Z-1.321 N1730 X0.742 Y2.283 Z-1.347 N1740 X0.0 Y2.4 Z-1.372 N1750 X-0.742 Y2.283 Z-1.398 N1760 X-1.411 Y1.942 Z-1.423 N1770 X-1.942 Y1.411 Z-1.449 N1780 X-2.283 Y0.742 Z-1.474 N1790 X-2.4 Y0.0 Z-1.5 N1800 G3 X-2.39 Y0.215 I2.4 J0.0 N1810 G1 X-2.4 Y0.0 N1820 X-2.35 Y-2.431 N1830 G3 X-1.568 Y-3.832 I2.624 J0.546 N1840 G1 X-1.027 Y-4.216 N1850 X-0.475 Y-4.473 N1860 X0.071 Y-4.627 N1870 X0.601 Y-4.696 N1880 X1.373 Y-4.647 N1890 X1.932 Y-4.532 N1900 X2.155 Y-4.469 N1910 G3 X2.409 Y-4.371 I-0.41 J1.443 N1920 G1 X2.49 Y-4.331 N1930 G3 X4.958 Y0.643 I-2.492 J4.336 N1940 X-4.958 Y-0.643 I-4.957 J-0.647 N1950 G1 X-4.821 Y-1.323 N1960 G3 X2.49 Y-4.331 I4.821 J1.329 N1970 X3.027 Y-3.77 I-0.778 J1.283 N1980 G00 Z5.0 N1990 G00 X-2.4 Y0.0 N2000 G00 Z-0.49 N2010 G00 Z-1.49 N2020 G1 X-2.283 Y-0.742 Z-1.515 N2030 X-1.942 Y-1.411 Z-1.541 N2040 X-1.411 Y-1.942 Z-1.566 N2050 X-0.742 Y-2.283 Z-1.592 N2060 X0.0 Y-2.4 Z-1.617 N2070 X0.742 Y-2.283 Z-1.643 N2080 X1.411 Y-1.942 Z-1.668 N2090 X1.942 Y-1.411 Z-1.694 N2100 X2.283 Y-0.742 Z-1.719 N2110 X2.4 Y0.0 Z-1.745 N2120 X2.283 Y0.742 Z-1.77 N2130 X1.942 Y1.411 Z-1.796 N2140 X1.411 Y1.942 Z-1.821 N2150 X0.742 Y2.283 Z-1.847 N2160 X0.0 Y2.4 Z-1.872 N2170 X-0.742 Y2.283 Z-1.898 N2180 X-1.411 Y1.942 Z-1.923 N2190 X-1.942 Y1.411 Z-1.949 N2200 X-2.283 Y0.742 Z-1.974 N2210 X-2.4 Y0.0 Z-2.0 N2220 G3 X-2.39 Y0.215 I2.4 J0.0 N2230 G1 X-2.4 Y0.0 N2240 X-2.35 Y-2.431 N2250 G3 X-1.568 Y-3.832 I2.624 J0.546 N2260 G1 X-1.027 Y-4.216 N2270 X-0.475 Y-4.473 N2280 X0.071 Y-4.627 N2290 X0.601 Y-4.696 N2300 X1.373 Y-4.647 N2310 X1.932 Y-4.532 N2320 X2.155 Y-4.469 N2330 G3 X2.409 Y-4.371 I-0.41 J1.443 N2340 G1 X2.49 Y-4.331 N2350 G3 X4.958 Y0.643 I-2.492 J4.336 N2360 X-4.958 Y-0.643 I-4.957 J-0.647 N2370 G1 X-4.821 Y-1.323 N2380 G3 X2.49 Y-4.331 I4.821 J1.329 N2390 X3.027 Y-3.77 I-0.778 J1.283 N2400 G00 Z5.0 N2410 G00 X-2.4 Y0.0 N2420 G00 Z-0.99 N2430 G00 Z-1.99 N2440 G1 X-2.283 Y-0.742 Z-2.015 N2450 X-1.942 Y-1.411 Z-2.041 N2460 X-1.411 Y-1.942 Z-2.066 N2470 X-0.742 Y-2.283 Z-2.092 N2480 X0.0 Y-2.4 Z-2.117 N2490 X0.742 Y-2.283 Z-2.143 N2500 X1.411 Y-1.942 Z-2.168 N2510 X1.942 Y-1.411 Z-2.194 N2520 X2.283 Y-0.742 Z-2.219 N2530 X2.4 Y0.0 Z-2.245 N2540 X2.283 Y0.742 Z-2.27 N2550 X1.942 Y1.411 Z-2.296 N2560 X1.411 Y1.942 Z-2.321 N2570 X0.742 Y2.283 Z-2.347 N2580 X0.0 Y2.4 Z-2.372 N2590 X-0.742 Y2.283 Z-2.398 N2600 X-1.411 Y1.942 Z-2.423 N2610 X-1.942 Y1.411 Z-2.449 N2620 X-2.283 Y0.742 Z-2.474 N2630 X-2.4 Y0.0 Z-2.5 N2640 G3 X-2.39 Y0.215 I2.4 J0.0 N2650 G1 X-2.4 Y0.0 N2660 X-2.35 Y-2.431 N2670 G3 X-1.568 Y-3.832 I2.624 J0.546 N2680 G1 X-1.027 Y-4.216 N2690 X-0.475 Y-4.473 N2700 X0.071 Y-4.627 N2710 X0.601 Y-4.696 N2720 X1.373 Y-4.647 N2730 X1.932 Y-4.532 N2740 X2.155 Y-4.469 N2750 G3 X2.409 Y-4.371 I-0.41 J1.443 N2760 G1 X2.49 Y-4.331 N2770 G3 X4.958 Y0.643 I-2.492 J4.336 N2780 X-4.958 Y-0.643 I-4.957 J-0.647 N2790 G1 X-4.821 Y-1.323 N2800 G3 X2.49 Y-4.331 I4.821 J1.329 N2810 X3.027 Y-3.77 I-0.778 J1.283 N2820 G00 Z5.0 N2830 G00 X-2.4 Y0.0 N2840 G00 Z-1.49 N2850 G00 Z-2.49 N2860 G1 X-2.283 Y-0.742 Z-2.515 N2870 X-1.942 Y-1.411 Z-2.541 N2880 X-1.411 Y-1.942 Z-2.566 N2890 X-0.742 Y-2.283 Z-2.592 N2900 X0.0 Y-2.4 Z-2.617 N2910 X0.742 Y-2.283 Z-2.643 N2920 X1.411 Y-1.942 Z-2.668 N2930 X1.942 Y-1.411 Z-2.694 N2940 X2.283 Y-0.742 Z-2.719 N2950 X2.4 Y0.0 Z-2.745 N2960 X2.283 Y0.742 Z-2.77 N2970 X1.942 Y1.411 Z-2.796 N2980 X1.411 Y1.942 Z-2.821 N2990 X0.742 Y2.283 Z-2.847 N3000 X0.0 Y2.4 Z-2.872 N3010 X-0.742 Y2.283 Z-2.898 N3020 X-1.411 Y1.942 Z-2.923 N3030 X-1.942 Y1.411 Z-2.949 N3040 X-2.283 Y0.742 Z-2.974 N3050 X-2.4 Y0.0 Z-3.0 N3060 G3 X-2.39 Y0.215 I2.4 J0.0 N3070 G1 X-2.4 Y0.0 N3080 X-2.35 Y-2.431 N3090 G3 X-1.568 Y-3.832 I2.624 J0.546 N3100 G1 X-1.027 Y-4.216 N3110 X-0.475 Y-4.473 N3120 X0.071 Y-4.627 N3130 X0.601 Y-4.696 N3140 X1.373 Y-4.647 N3150 X1.932 Y-4.532 N3160 X2.155 Y-4.469 N3170 G3 X2.409 Y-4.371 I-0.41 J1.443 N3180 G1 X2.49 Y-4.331 N3190 G3 X4.958 Y0.643 I-2.492 J4.336 N3200 X-4.958 Y-0.643 I-4.957 J-0.647 N3210 G1 X-4.821 Y-1.323 N3220 G3 X2.49 Y-4.331 I4.821 J1.329 N3230 X3.027 Y-3.77 I-0.778 J1.283 N3240 G00 Z5.0 N3250 (PROFILE MILL OPERATION) N3260 T02 G17 S2000 N3270 M06 N3280 G00 X5.332 Y-8.235 M3 N3290 Z5.0 M8 N3300 G1 Z-1.0 F25.0 N3310 X4.306 Y-6.458 F50.0 N3320 X5.332 Y-8.235 Z-2.0 N3330 X4.306 Y-6.458 N3340 X3.44 Y-6.958 Z-1.0 N3350 X4.466 Y-8.735 N3360 X3.44 Y-6.958 Z-2.0 N3370 X4.466 Y-8.735 N3380 G00 Z5.0 N3390 G00 X9.798 Y0.5 N3400 Z-1.0 F25.0 N3410 X7.746 F50.0 N3420 X9.798 Z-2.0 N3430 X7.746 N3440 Y-0.5 Z-1.0 N3450 X9.798 N3460 X7.746 Z-2.0 N3470 X9.798 N3480 G00 Z5.0 N3490 G00 X4.466 Y8.735 N3500 Z-1.0 F25.0 N3510 X3.44 Y6.958 F50.0 N3520 X4.466 Y8.735 Z-2.0 N3530 X3.44 Y6.958 N3540 X4.306 Y6.458 Z-1.0 N3550 X5.332 Y8.235 N3560 X4.306 Y6.458 Z-2.0 N3570 X5.332 Y8.235 N3580 G00 Z5.0 N3590 G00 X-5.332 N3600 Z-1.0 F25.0 N3610 X-4.306 Y6.458 F50.0 N3620 X-5.332 Y8.235 Z-2.0 N3630 X-4.306 Y6.458 N3640 X-3.44 Y6.958 Z-1.0 N3650 X-4.466 Y8.735 N3660 X-3.44 Y6.958 Z-2.0 N3670 X-4.466 Y8.735 N3680 G00 Z5.0 N3690 G00 X-9.798 Y-0.5 N3700 Z-1.0 F25.0 N3710 X-7.746 F50.0 N3720 X-9.798 Z-2.0 N3730 X-7.746 N3740 Y0.5 Z-1.0 N3750 X-9.798 N3760 X-7.746 Z-2.0 N3770 X-9.798 N3780 G00 Z5.0 N3790 G00 X-4.466 Y-8.735 N3800 Z-1.0 F25.0 N3810 X-3.44 Y-6.958 F50.0 N3820 X-4.466 Y-8.735 Z-2.0 N3830 X-3.44 Y-6.958 N3840 X-4.306 Y-6.458 Z-1.0 N3850 X-5.332 Y-8.235 N3860 X-4.306 Y-6.458 Z-2.0 N3870 X-5.332 Y-8.235 N3880 G00 Z5.0 N3890 G00 Z60.0 M02 %