A more thorough explanation:

Hand is a noun that can mean:

1. A person's handwriting. For example, "Her hand was so neat and tidy."
2. An instrumental part. For example, "He had a hand in creating the new product."
3. One who performs some work or labor. For example, "The farmer hired a few hands to help with the harvest."
4. Possession. For example, "The stolen goods were now in the hands of the police."
5. Assistance. For example, "Can you lend me a hand with this heavy box?"
6. A measure of length equal to four inches, used in measuring the height of equines, especially horses. For example, "The horse was 16 hands tall."
7. An oath (historical). For example, "He gave his hand on the matter."
8. One or two sides or aspects of an issue or argument. For example, "On the one hand, we can save money. On the other hand, we might sacrifice quality."

Hand can also be a verb that means to give or deliver something. For example, "He handed over the documents to his boss."

These examples illustrate the different meanings of the word hand. In the first example, hand refers to a person's handwriting. In the second example, hand refers to someone's involvement in creating something. In the third example, hand refers to a worker. In the fourth example, hand refers to possession. In the fifth example, hand refers to assistance. In the sixth example, hand refers to a unit of measurement. In the seventh example, hand refers to an oath (which is not commonly used anymore). In the eighth example, hand refers to different sides of an argument. Finally, the verb form of hand refers to giving or delivering something.