"Within" is a preposition indicating a location or position inside a particular area or limits. "In" is a preposition indicating location, position, or inclusion within a space or limits.

"Use" refers to the act of employing or applying something for a particular purpose or can also mean to make use of something for a specific purpose or function. "Usage" is a noun that refers to the manner or way in which something is used or employed.

The phrase "healthy as a horse" is an idiom used to describe someone or something in robust health and excellent condition, drawing upon the notion that horses are generally strong and sturdy animals.

"Its" is a possessive form, indicating ownership or belonging. "Their" is a possessive pronoun used to indicate that something belongs to a group of people or things previously mentioned.

"Sit" refers to the action of lowering one's body onto a surface, typically a chair or the ground, and assuming a seated position. A "seat" is a designated place or piece of furniture designed for one person to sit on, providing support and comfort.

"We are opened" and "we have open" is the incorrect variation of "we are open." "We are open" is the correct way to express that your business is currently operating. "Open" functions as an adjective here, describing the present state of being accessible to customers.

"Recycling" is the process of collecting, processing, and transforming used materials into new products. "Upcycling" is the creative and environmentally conscious practice of repurposing discarded or unused materials to create new products of higher value or quality.

"Hiting" is the incorrect spelling of "hitting." "Hitting" refers to the action of striking something or someone with force, often using a hand, tool, or object. It can be intentional or accidental and is commonly associated with physical contact or impact.