| TssA | Active TSS |
| PromU | Promoter Upstream TSS |
| PromD1 | Promoter Downstream TSS with DNase |
| PromD2 | Promoter Downstream TSS |
| Tx5' | Transcription 5' |
| Tx | Transcription |
| Tx3' | Transcription 3' |
| TxWk | Weak transcription |
| TxReg | Transcription Regulatory |
| TxEnh5' | Transcription 5' Enhancer |
| TxEnh3' | Transcription 3' Enhancer |
| TxEnhW | Transcription Weak Enhancer |
| EnhA1 | Active Enhancer 1 |
| EnhA2 | Active Enhancer 2 |
| EnhAF | Active Enhancer Flank |
| EnhW1 | Weak Enhancer 1 |
| EnhW2 | Weak Enhancer 2 |
| EnhAc | Enhancer Acetylation Only |
| DNase | DNase only |
| ZNF/Rpts | ZNF genes & repeats |
| Het | Heterochromatin |
| PromP | Poised Promoter |
| PromBiv | Bivalent Promoter |
| ReprPC | Repressed PolyComb |
| Quies | Quiescent |