What items are not taxed in Texas?

Could you please elaborate on the items that are exempt from taxation in the state of Texas? Are there any specific categories or types of goods and services that are not subject to taxation, such as food, clothing, or certain medical services? Additionally, are there any exemptions for individuals or businesses based on their income level or other factors? Understanding the scope of these exemptions is crucial for taxpayers in Texas to ensure compliance with state tax laws.