Delegation is simply the transfer of your steem power to other community, users or friends. Delegation increase the steem power of the user or community. You can help anyone by sharing your steem power and if your share the steem power to any community then it will increase the community voting power and you can get a big vote. So, we all have to help our best community by giving delegation and supporting them.

I am delegating 150 steem power to @siz-official and I will increase my delegation with increase of my steem power.

I clicked on the delegate and then add 150 steem power amount their and enter the community account name.

Then I click on the "OK" option and confirm the account name and delegation amount.

Then I login with my active key for delegation and done my delegation. Now here is the final image after delegation.