Here is a list of all concepts with brief descriptions:

[detail level 123]

Nmstd
Nutils
Rvalid_free_function
Rvalid_member_function
Rvalid_functor
Rvalid_function_view_function
Riterator
Riterator_of
Rsame_without_cvref_as
Rfunction_ptr
Rfunction_ref
Rfunction_moved
Rfunctor
Rmember_function
Rfree_function
Rparent_ref_function
Rparent_moved_function
Rconst_function
Rnoexcept_function
Rvolatile_function
Rcallable
Rfunc
Raction
Rmethod
Rsame_function_as
Rarithmetic
Rsigned_arithmetic
Runsigned_arithmetic
Rfloating_point
Rintegral
Rsigned_integral
Runsigned_integral