As a Noun: 1. TOPICALISATION is the process of highlighting the topic in a sentence. Note: 1. The signer in the video is giving a definition in Auslan for the English term TOPICALISATION. There appears to be no commonly used Auslan sign for TOPICALISATION (but some signers represent this visually using depicting signs, once they have established the topic). If you know a sign for TOPICALISATION used by you or other Auslan users (deaf people or interpreters) please go to "Report missing sign" and supply details. Thank you.