Related Clues:

• It's clear from Dover to Calais
• Want to remove borders, so open
• It's obvious the minister was brought up in the Old Testament
• Public, in the course of time
• Extra time is apparent
• Open golf's second green
• Plain - manifest
• Plain to see - manifest
• Done in an obvious way
• Clear as day
• Not concealed - public
• Plain green circle on top
• There for all to see
• Open on time
• Oscar's green — that's obvious