First off do you mean the game tetris? If so here is the answer:
Tetra is a prefix which means “four” and is used when forming compound words. In tetris, we use pieces (called tetrominos), which are formed by combining 4 small blocks (called minos). There are 7 possible types of tetrominos named after the letters that they resemble: I, O, L, J, T, S, and Z.
Callie Torres is your answer
Answer:
Receiver’s preference and level of technical expertise
Explanation:
This is very important because any well prepared information presented using a communication channel that the target audience does not use or prefer is a wasted effort.
For example, a company that wants to target elderly people with its products, having been aware through a survey that they prefer television ads to online ads. Which means that because of their limited technical expertise, a tv ad is the best channel of communication.
Can you please explain your question better?