Vijñaptimātra, “mere representation”, is Vasubandhu’s thesis that the objects we seem to perceive outside the mind are appearances within consciousness, as in a dream. Interpreters debate whether this is idealism or a description of experience for meditative purposes.
Vijñaptimātra
Representation-only: the Yogācāra thesis that what appears as an external world is only consciousness.
Also: Mind-Only, cittamatra