Definitions:
a flat slab of stone, clay, or wood, used especially for an inscription

a small disc or cylinder of a compressed solid substance, typically a measured amount of a medicine or drug

a small portable computer that accepts input directly on to its screen rather than via a keyboard or mouse.

a writing pad.

a kind of token giving authority for a train to proceed over a single-track line.

a traditional sweet made from sugar, condensed milk, and butter, resembling fudge but having a hard, grainy texture.