➊ Distance from centre — typicality (score). repair shop is more typical than antique shop.
➋ Circle size — frequency. gift shop is more frequent than bike shop.
➌ Circle colour indicates which segment (grammatical relation) they belong to. Sometimes circles may be placed outside their segment to visualize the other statistics correctly.
➍ Segment size indicates the size of the grammatical relation in relation to the other visualized relations, i.e. how many collocations it contains in total. (Not how many appear in the visualisation.)