# Reference Manual Navigate is a node-based simulator: every entity in a simulation deck is a node defined in the `.nav`/`.inc` DSL. This manual covers the DSL syntax and every node type. Start with the introduction and the DSL reference, then consult individual node pages as needed. ```{toctree} :maxdepth: 1 :caption: General overview dsl_reference ``` ```{toctree} :maxdepth: 1 :caption: General nodes model_definition bunker_logistics bunker_options ``` ```{toctree} :maxdepth: 1 :caption: Nodes converter curve emission feedstock fleet forecast fuel levy plant plot port power_system process producer region regulation report route source surface tank technology timetable transport variable vessel ``` ```{toctree} :maxdepth: 1 :caption: Appendix appendix_ids ```