Layout Plus中的Footprint有什么规律

挑选了下面一些Footprint，不知道有什么规则？
BLKCON.100/VH/TM1SQ/W.100/2
BLKCON.156/VH/TM1SQS/W.312/6
CONNRT4R80P
CPCYL1/D.200/LS.100/.031
CROP
DAX2/.400X.080/.028
DINC/MIN_SM/6/A
DSUB/RP.318/TM/15
JUMPER200
LOGO
MOIRE
MTHOLE1
OSC84P
PLCC44
QUAD.025/132/WG1.085
QUAD.50M/144/WG22.00
QUAD.65M/160/WG30.00
SIMM.050/VS_RP/TM/72
SIP/TM/L.200/2
SIP/TM/L.900/9
SM/C_0805
SM/D_MLL41
SM/L_1812
SM/R_0805
SM/SOT23_123
SOG.025/48/WG.420/L.625
SOG.050/14/WG.244/L.350
SOG.050/16/WG.244/L.400
SOG.050/20/WG.350/L.550
SOG.050/20/WG.420/L.525
SOG.050/24/WG.420/L.625
SOG.050/44/WG.642/L1.150
SOJ.050/40/WB.400/L1.000
SOJ.050/40/WB.400/L1.050
SWITCH6
TO18