Subshell and orbital clarification

[kevinchang_4I]

For part of question D.21 it says list the subshell notation and the numbver of orbitals with the following quantum numbers. It gives a n= and l=. For example, n=5 and l=2 will be the 5d subshell. What I don't understand is how to know the orbitals. Also what are orbitals in this context? Thanks

[505306205]

The number of orbitals are usually found using the magnetic quantum number, m subscript l. For example, the quantum number l = 1 would have ml equal to -1, 0, 1 which corresponds to 3 p orbitals. The p is found based on the value of l. A value of 0 corresponds to s orbital, 1 to p orbital, 2 to d orbital, 3 to f orbital, and so on.