Possible Clues:

• (Of thoughts) intimate — (of circles) privileged
• Hidden part of target
• Word preceding "tube" or "sanctum"
• Intimate pub, 'The Queen'
• Word before self or sanctum
• Concealed, as feelings
• ''The ___ Sanctum''
• More central
• Champion missing wide part of target
• Christmas meal without a starter won't please this man