Can you could have a transaction and not using a change output?

Whereas studying concerning the charges right here https://metamug.com/article/safety/bitcoin-transaction-fee-satoshi-per-byte.html
The article stated that “Within the easiest case, you may have one enter and two outputs (the recipient, and alter). So in=1 and out=2.”
Does that imply that I can’t ship all the quantity from one deal with to a different? I assumed that the only case is in=1
and out=1
. And that in = out + charge