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aegis is [protection, backing, or support of a particular person or organization].

white elephant is/are a possession that is more troublesome or costly to keep than it is useful or valuable.

rcs text is a messaging protocol that enhances traditional SMS text messaging with features like rich media sharing, read receipts, and typing indicators.

A white elephant gift is a humorous or impractical gift that is typically exchanged during social gatherings, often intended to entertain or amuse rather than serve a functional purpose.

Krampus is/are a folkloric creature or figure in Central European folklore, often depicted as a horned, anthropomorphic figure who punishes misbehaving children during the Christmas season, contrasting with Saint Nicholas, who rewards well-behaved children.