> For the complete documentation index, see [llms.txt](https://lbl-2.gitbook.io/tough4-user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lbl-2.gitbook.io/tough4-user-manual/quick-entry-to-keywords-for-data-input.md).

# Quick Entry to Keywords for Data Input

<table><thead><tr><th>Keywords:</th><th> </th><th> </th><th width="122"> </th><th> </th><th> </th></tr></thead><tbody><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/title.md">TITLE</a>  </td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/biodg.md">BIODG</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/chemp.md">CHEMP</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/coft.md">COFT</a> </td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/conne.md">CONNE</a> </td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/diffu.md">DIFFU</a></td></tr><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/eleme.md">ELEME</a> </td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/endcy.md">ENDCY</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/endfi.md">ENDFI</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/foft.md">FOFT</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/gases.md">GASES</a>  </td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/gener.md">GENER</a> </td></tr><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/goft.md">GOFT</a> </td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/hyste.md">HYSTE</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/incon.md">INCON</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/indom.md">INDOM</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/meshm.md">MESHM</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/modde.md">MODDE</a></td></tr><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/momop.md">MOMOP</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/multi.md">MULTI</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/outpu.md">OUTPU</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/param.md">PARAM</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/rocks.md">ROCKS</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/roft.md">ROFT</a></td></tr><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/rpcap.md">RPCAP</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/selec.md">SELEC</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/solvr.md">SOLVR</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/spava.md">SPAVA</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/timbc.md">TIMBC</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/times.md">TIMES</a></td></tr><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/tracr.md">TRACR</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/wellb.md">WELLB</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/coupl.md">COUPL</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/flac.md">FLAC</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/forch.md">FORCH</a></td><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/cbmda.md">CBMDA</a></td></tr><tr><td><a href="/tough4-user-manual/preparation-of-model-input/keywords-and-input-data/fnist.md">FNIST</a></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>