1. adhere to the rule(s) or standard(s) of something
toe the party line
To 'toe the line' means 'to conform' or to do what is expected without objection. You may also hear 'toe the party line'. This expression is often miswritten as 'tow the line', although this is incorrect. When you 'toe the line' you 'stick to the script' or behave in a way that is fitting and uncontroversial. This is an expression that can be used in a social and professional context.