> For the complete documentation index, see [llms.txt](https://docs.open-systems-pharmacology.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation.md).

# MoBi Documentation

- [First Steps](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/first-steps.md)
- [Options](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/mobi-options.md)
- [The Building Block Concept](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/building-block-concepts.md)
- [Modularization concept](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/modularization-concept.md)
- [Spatial Structures](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/spatial-structures-bb.md)
- [Molecules](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/molecules-bb.md)
- [Reactions](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/reactions-bb.md)
- [Passive Transports](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/passive-transports-bb.md)
- [Observers](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/observers-bb.md)
- [Events](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/events-bb.md)
- [Initial Conditions](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/initial-conditions-bb.md)
- [Parameter Values](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/parameter-values-bb.md)
- [Expression Profiles](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/expression-profiles-bb.md)
- [Individuals](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/individuals-bb.md)
- [Parameters, Formulas, Tags, and Keywords](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/parameters-formulas-tags.md)
- [Simulations](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/setting-up-simulation.md)
- [Simulation Results](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/simulation-results.md)
- [Diagrams Overview](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/diagrams-overview.md)
- [Tools](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/tools.md)
- [Reuse of Project Information from Previous Versions](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/reuse-of-project-information-from-previous-versions.md)
- [Example Workflows](https://docs.open-systems-pharmacology.org/working-with-mobi/mobi-documentation/example-workflows.md)
