## Actors and the Stage {#actors-and-stage}
Actor is the primary object with which DALi applications interact.
-A DALi application uses a hierachy of Dali::Actor objects to position visible content.
+A DALi application uses a hierarchy of Dali::Actor objects to position visible content.
An actor inherits a position relative to its parent, and can be moved relative to this point.
UI controls can be built by combining multiple actors.
## Scene Graph {#scene-graph}
-From wikipedia...
+From Wikipedia...
A scene graph is a collection of nodes in a graph or tree structure.
A node may have many children but often only a single parent,