Category
page 2Orientation (geometry)
upstream
direction in which data can be transferred from the client to the server (uploading)
Grid north
navigational direction
bearing compass
nautical instrument
zonal and meridional
directions of fluid flow on a globe
downstream
data sent from a network service provider to a customer
septentrional
thumb|350px|A 17th-century map of France (1687), by Alain Manesson-Mallet, shows the Septentrion atop of the chart, indicating the northern region of the country; the other regions indicated are the Occident (west), the Orient (east), and the Midy (meridion).
Rotation formalisms in three dimensions
ways to represent 3D rotations