Aspect

(1) The visual first impression of vegetation or a landscape at a particular time or as seen from a specific point. (2) The predominant direction of slope of the land. (3) The seasonal changes in the appearance of vegetation.

Source
Society for Range Management. 1998. Glossary of terms used in range management, fourth edition. Edited by the Glossary Update Task Group, Thomas E. Bedell, Chairman. Used with permission.