What are the steps to applying for a credit card?

Before applying for a credit card, you should ask yourself:

What is my credit score, how can I check it and how might it impact me getting a credit card?
How do I choose a credit card?
What is APR and what rate could I get?
What should I do if my credit card application is declined?
What’s the golden rule of credit card spending?
Where can I compare credit cards?