He was so disturbed by the birthmark because he wanted his wife to be perfect, and that birthmark ruined her perfection (from the point of view of Aylmer).
A savings account is an alternative to saving funds in some bank. Among several tools available, the following stand out:
1) Cash Income - Savings accounts are sources of cash income applied. If you do not use, the amount will grow according to the current interest rate.
2) The ability to view statements, make transfers and other services online, without leaving home.
3) Use ATM networks to withdraw money when needed.