The entire store of lexical items in a language is called its lexis.
[citation needed] Common types of lexical items/chunks include:[1] An associated concept is that of noun-modifier semantic relations, wherein certain word pairings have a standard interpretation.
Many multi-word lexical items cannot be construed as constituents in syntax in any sense.
Some dependency grammar trees containing multiple-word lexical items that are catenae but not constituents are now produced.
An important caveat concerning idiom catenae is that they can be broken up in the syntax, e.g.