binding vs imperative

binding

adj
  • Imposing stipulations or requirements that must be honoured. 

  • Having the effect of counteracting diarrhea. 

noun
  • A finishing on a seam or hem of a garment. 

  • The action or result of making two or more molecules stick together. 

  • An item (usually rope, tape, or string) used to hold two or more things together. 

  • The spine of a book where the pages are held together. 

  • The association of a named item with an element of a program. 

  • The interface of a library with a programming language other than one it is written in. 

imperative

adj
  • Essential; crucial; extremely important. 

  • Having semantics that incorporates mutable variables. 

  • Expressing a command; authoritatively or absolutely directive. 

  • Of, or relating to the imperative mood. 

noun
  • A verb in imperative mood. 

  • The grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same as that of the bare infinitive. 

  • An essential action, a must: something which is imperative. 

How often have the words binding and imperative occurred in a corpus of books? (source: Google Ngram Viewer )