Send feature allows you to move assets of the same type on other addresses. For example, I want to move TRON to the other address. Just paste it, choose amount + fees and insert your password.
If you receive any errors -> try again or check values.
To copy address - just click on it. To paste address - use Ctl+V (Cmd+V on Mac).
Hide zero balance:
We have plenty of assets in the wallet. For more convenient usage you can hide zero balance.
You can add ERC20 tokens in Atomic Wallet. Just insert the token's contract address. You can find it on the etherscan website.
Read about Atomic Swap tab.