DLL

DLL is an abbreviation which can commonly mean:

Data link layer, a layer in the OSI network architecture model
Davis-Logemann-Loveland algorithm, an algorithm that solves the Boolean satisfiability problem
Delay Locked Loop, a device to reduce clock skew in digital circuits
Doubly-linked list, a data structure in computer programming
Dynamically linked library in computer science
- Dynamic-link library, its implementation in Microsoft Windows and OS/2