PDL
Program Design/Description Language
PDLC
Polymer Dispersed Liquid Crystal
SPDL
Standard Page Description Language
1GL
1st Generation Language (Maschinencode)
2GL
2nd Generation Language (Assembler)
3GL
3rd Generation Language (C/C++, Fortran, Cobol)
4GL
4th Generation Language (SQL, Labview, ABAP)
5GL
5th Generation Language