Related Clues:

• What's the point of covering up torpedo tubes?
• A tiny part of this?
• Pac-Man maze marker
• The FAA is part of it
• Email address feature
• Period, e.g
• Signal in Morse code
• 'i' or 'j' top
• Part of some matrices
• Dorothy, familiarly
• Part of a domain name
• Period for Americans when this would be obvious advice to eater
• Part of a web address
• Topper on an ''i''
• Feature of only two letters