tofu

noun

1. (countable, uncountable)A protein-rich food made from curdled soy milk.

   “First, marinate the tofu. In a bowl, whisk the kecap manis, chilli sauce, and sesame oil together. Cut the tofu into strips about 1cm thick, mix gently (so it doesn't break) with the marinade and leave in the fridge for half an hour.”

2. (countable, uncountable)A box or rectangle, empty or with a question mark or hexadecimal code inside, displayed by some systems in place of a character not supported by available fonts. (such as _□ or 𐕪)
3. (abbreviation, alt-of, initialism, uncountable)Initialism of trust on first use, a type of network software security model where a client requests an identification code from a remote host when establishing the first connection.
4. (abbreviation, alt-of, initialism, uncountable)Initialism of top of funnel.

   “To move prospects through a marketing funnel, you need to provide content designed to satisfy their needs at each of the three stages: » Content at the top of the funnel (TOFU) that facilitates awareness”