collocation

How words (collocates) relate to a particular word (keyword or node). In corpus, this usually means within a certain distance from the node. For example, ±5 words to either side of the node which are then collated and summed for quick comprehension.

Words often come together with greater-than-chance regularity. This can either be within the same phrase, clause, sentence or even between sentences, that is, over sentence boundaries.