Explain the difference in meaning between l-7 l and . -7 In your explanation, be sure to include various key words you learned within this unit.

In the context of this unit, "l-7 l" refers to the letter "L" followed by the number "7" and followed by another "L." This can be understood as a representation of the word "Loll," which is a slang term meaning to lounge or relax in a lazy manner. It is often used to describe someone who is idly spending their time or being lazy.

On the other hand, ". -7" refers to a dot followed by a hyphen and the number "7." In this case, we are dealing with a numerical representation rather than a word. This can stand for various things depending on the context and the key words learned in this unit. For example, it could represent a negative number, as the hyphen symbolizes subtraction, or it could represent a bullet point or item in a list, as the dot indicates a bullet point.

Hence, the difference in meaning between "l-7 l" and ". -7" lies in the fact that the former represents a word with a specific slang meaning, while the latter represents a numerical or symbolic expression that can have different interpretations depending on the context.