Keywords: need, necessity, necessary

Found 3 variants for this sign (click on video to enlarge):

Sign Definition

Definition in Auslan

As a Noun

1. The strong feeling that you must have something or must do something. English = need.
2. The need to do something. English = necessity.

As a Verb or Adjective

1. To be necessary to have or do something; to have a strong feeling that you must have something or must do something. English = need.
2. To be needed to get the result or the effect that you want. English = (be) necessary.

Note

1. The variants with repeated movements are more strongly associated with ‘necessity’ or ‘necessary’.