The idiom "jot or tittle" refers to something that is small, insignificant, or of little importance. It can be used to describe a person, an event, or an object that does not have much value or significance.

The idiom "you are what you eat" is a metaphorical statement that suggests a person's behavior, personality, or character is determined by their dietary choices.

"What are you up to?" is an idiomatic expression used to ask someone about their plans, activities, or intentions for the near future. It can also be used to express curiosity or concern about someone's actions or motivations.

The idiom "in black and white" is used to describe something that is clear, direct, and easy to understand. It implies that the information being presented is straightforward and there are no ambiguities or hidden meanings.

The idiom "recharge one’s batteries" means to rest or take a break from doing something in order to refresh one's energy, mind or body. It is often used when someone needs a break from mental or physical activity to regain their strength or focus.