Historical clue formulations

• "Understood" — 2020-08-02
• Words of understanding — 2020-07-19
• "Sure, makes sense" — 2020-07-16
• "You don't have to explain" — 2018-01-13
• Answer to "Capisce?" — 2016-04-15
• "That is clear" — 2011-09-10
• "Got it" — 2010-12-31
• "Understood!" — 2007-06-20
• Words of understanding — 1996-07-20