In domain structure what is Access$-$right equal to$?$

a$.$

Access$-$right $=$ read$-$name, write$-$set

b$.$

Access$-$right $=$ object$-$name, rights$-$set

c$.$

Access$-$right $=$ read$-$name, execute$-$set

d$.$

Access$-$right $=$ object$-$name, execute$-$set