\begin{definition}[Definition:Navigation]
'''Navigation''' is the science of identifying location and optimal direction of travel.
That is, working out where you are and where you want to go.
The context is usually assumed to be on the sea, although the word can be used either figuratively, or in the context of space travel.
Category:Definitions/Navigation
Category:Definitions/Geographical Coordinates
Category:Definitions/Geography
\end{definition}