This screen is for assign a student to a specific activity. In the first block select the student. In the second block select the activity the to which the student is to become a member.
This screen is for entry of all address information for students. This information can be used for billing, mailing grades, etc. Query for desired student in first block. Then enter all address information in second block. Use the third block, on page two to enter the address usage for this address. Usages include home, mailing, etc.