Why are net present value and internal rate of return considered discounted cash flow methods?

Question:

Why are and considered methods?

Net Present Value
What is NPV? The net present value is an important tool for capital budgeting decision to assess that an investment in a project is worthwhile or not? The net present value of a project is calculated before taking up the investment decision at... Discounted Cash Flows
What is Discounted Cash Flows? Discounted Cash Flows is a valuation technique used by investors and financial experts for the purpose of interpreting the performance of an underlying assets or investment. It uses a discount rate that is most... Internal Rate of Return
Internal Rate of Return of IRR is a capital budgeting tool that is used to assess the viability of an investment opportunity. IRR is the true rate of return that a project is capable of generating. It is a metric that tells you about the investment...