Chalk talk and Valedictory address

Chalk talk noun - A talk that uses a blackboard and chalk.

Valedictory address and chalk talk are semantically related. In some cases you can replace phrase "Valedictory address" with "Chalk talk", this phrases are similar.

Valedictory address noun - A farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class).

Chalk talk and valedictory address are semantically related. Sometimes you can replace phrase "Chalk talk" with "Valedictory address", this phrases are similar.