A dynamic-link library (DLL) contains one or more subprogram procedures

(functions or subroutines) that are compiled, linked, and stored separately from

the applications using them. Because the functions or subroutines are separate

from the applications using them, they can be shared or replaced easily.-A dynamic - link library (DLL) contains one subprogram or more procedures (or functions su broutines) that are compiled, linked, and stored separately from the applications us ing them. Because the functions or subroutines are separate from the applications using them. they can be easily shared or replaced.