ETYM Latin aspectus, from aspicere, aspectum, to look at; ad + spicere, specere, to look, akin to Eng. spy.
1. A characteristic to be considered.
2. A distinct feature or element in a problem; SYN. facet.
3. The beginning or duration or completion or repetition of the action of a verb.
In Earth sciences the direction in which a slope faces. In the northern hemisphere a slope with a southerly aspect receives more sunshine than other slopes and is therefore better suited for growing crops that require many hours of sunshine in order to ripen successfully. Vineyards in northern Europe are usually situated on south-facing slopes.