Read the dictionary definition of subscribe. All definitions for this word.
1. adopt as a belief
1. I subscribe to your view on abortion
2. mark with one's signature; write one's name (on)
1. She signed the letter and sent it off
2. Please sign here
3. receive or obtain regularly
1. We take the Times every day
4. offer to buy, as of stocks and shares
1. The broker subscribed 500 shares
5. pay (an amount of money) as a contribution to a charity or service, especially at regular intervals
1. I pledged $10 a month to my favorite radio station