Immediacy is a philosophical concept related to time and temporal perspectives, both visual, and cognitive.
It implies a direct experience of an event or object bereft of any intervening medium.
He tells us that speech is more immediate than writing, because the words emerge more directly from the speaker's mind.
[1] Immediacy also possesses characteristics of both of the homophonic heterographs 'immanent' and 'imminent', and what entails to both within ontology.
Immediacy also relates to the philosophy of phenomenology, as they are schools of thought which both concern subjective perceptions of objects and time.