Concept checking Concept checking is finding out if a learner has understood a new item. There are a variety of ways to do this, including asking concept questions.
Congruency Congruency refers to all the parts of something working together; in ELT this means how different elements work together to produce successful communication.
Connected speech In connected speech, the pronunciation of a word will change depending on the words around it.
Connotation The connotation of a word is its suggested or emotional meaning, as compared to its literal meaning.
Consciousness-raising Consciousness-raising, also known as awareness-raising, is part of the process a learner can go through with new language.
Consolidation Consolidation is a lesson stage where new material is reviewed, and hopefully learning is reinforced. It normally occurs at the end of the lesson.