The table below represents the conceptual heirarchy of OpenSim within SimTK. Each box represents a class utilized by the OpenSim API, and is built on top of (i.e., requires) the components underneath.
For example, you can click on the "Model Component" block to see a list of model components, such as body, constraint, or joint.
Click on any of the boxes to navigate to corresponding class description.
Other specific classes of interest:
OpenSim::Actuator
OpenSim::Body
OpenSim::Force
OpenSim::Function
OpenSim::Joint
OpenSim::Mtx
OpenSim::Muscle
SimTK::Matrix
SimTK::Vector
SimTK::Vec
SimTK::UnitVec
SimTK::Rotation
SimTK::MobilizedBody
SimTK::SimbodyMatterSubsystem
SimTK::State
1.8.4 
