TAM
Total Addressable Market. The revenue if literally everyone who could buy did. The big number in pitch decks, calculated top-down with optimism as the primary input.
Heard in the wild
“The deck claims a $40B TAM, counting everyone who owns a building.”
Tone check: Technical
TAM/SAM/SOM shrink from fantasy toward reality. Investors nod at TAM and interrogate SOM.