continuity
noun
[ ˌkɒntɪˈnjuːɪti ]
• the unbroken and consistent existence or operation of something over time.
• "a consensus favouring continuity of policy"
• the maintenance of continuous action and self-consistent detail in the various scenes of a film or broadcast.
• "a continuity error"
Origin:
late Middle English: from Old French continuite, from Latin continuitas, from continuare ‘continue’, from continuus (see continuous).