Tex. Code Crim. Proc. art. 11.21
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
The words "confined", "imprisoned", "in custody", "confinement", "imprisonment", refer not only to the actual, corporeal and forcible detention of a person, but likewise to any coercive measures by threats, menaces or the fear of injury, whereby one person exercises a control over the person of another, and detains him within certain limits.
Tex. Code Crim. Proc. § 11.21