If you select "I want to make a recurring donation", you will be registering to make a credit card donation every month, 3 months, 6 months or year. After you complete this initial donation, future donations will be made automatically. For example, if you choose to make a recurring monthly donation of $10.00, your next donation of $10.00 will be automatically charged to your account one month from today.
You will receive an email receipt for each recurring
donation. You can always review and change your donation
options (amount, frequency, billing information, cancellation)
at any time by logging in to your paypal account. (That
ability is a b it hidden, its location is under "My
Account" top menu tab, then click second level top
menu tab "history" , then at show field click
down arrow to select subscriptions or recurring payments.