Parts Resembles a 人person with their arms一ⓘ一 does not mean 'arms', it is only used here to help you visualize the parts of the character as they relate to the memory hook. out to the side and something at their feet.
Memory hook Imagine a person carrying too太 much of something and accidentally dropping some.
Grammar Note
In Chinese, the person's surname comes before their title, so 马太太 is Mrs. Ma - review the page on 马horse.