Āvajjana: Directing of the mind towards the object, is the first stage in the process of consciousness see: viññāna-kicca. If an object of the 5 physical senses is observed, it is called 'five-door directing' = pañca dvārāvajjana, in the case of a mental object, an idea or mental state then it is called 'mind-door directing' mano-dvārāvajjana.
References[]
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.