Common interface that is a model for several squares in this puzzle

Question:

Answer:

TELEPHONEKEYPAD

Length:

Similar Crossword Questions:

What Thoreau and Eisenhower have in common, or this puzzle's theme, literally
What's been deposited in four squares of this puzzle, expressed both by name and by symbol
Puzzle based on Latin Squares
Off one's rocker, and a hint to what the four longest puzzle answers have in common
Row of black squares preceding or following six puzzle answers, thereby completing them
Start of a brainteaser whose answer appears in order, from top to bottom, in this puzzle's circled squares
Economic term named the 2011 Word of the Year by the Oxford English Dictionary...and a description of 6 squares in this puzzle
What this puzzle's seven longest answers have in common
Company whose movies, not counting sequels, are all included in this puzzle [Circled Squares: 2009]
What eight squares in this puzzle contain, thus creating a cipher key
On hold ... or what the seven rows of black squares in this puzzle's grid spell in Morse code
What the three sets of circled squares in this puzzle represent
Wee hr., and a hint to a feature common to this puzzle's four longest answers
Work by Sir Edward Elgar hinted at by this puzzle's circled squares
ConfuseÂ—or what to do to four common phrases to form this puzzle's theme answers
Hint to filling in four squares in this puzzle
This puzzle's theme, whose first notes are indicated by shaded squares
Mail conveniences ... or a hint to eight squares in this puzzle
Houses with sharply angled roofs, and what this puzzle's four longest answers literally have in common
Geographical features ... or what the circled squares in this puzzle represent
Locale for this puzzle's shaded squares
What this puzzle's four longest answers have in common
Common model railroading spec
What's revealed by connecting the special squares in this puzzle in order
Web concerns ... and based on six familiar names hidden in rows 1, 4, 12 and 15 of this puzzle grid, what the black squares in those rows symbolize