Theme word inside this puzzle's theme words

Question:

Answer:

INFO

Length:

Similar Crossword Questions:

Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Oxford American Dictionary's 2012 word of the year, and the key to this puzzle's theme
Attendance check, and a hint to the puzzle theme in the first words of the starred answers
Angle (and a three-word hint to this puzzle's theme)
This puzzle's obvious theme word
Traditional location of one of this puzzle's theme words
"Magic" words that are the theme of this puzzle
Make of six models that are subject to recall ... and being sent back inside this puzzle's theme entries
It can follow the last word of this puzzle's theme entries
Question not asked in this puzzle's theme words
Famous last words (and homophonically, a hint to this puzzle's theme)
This puzzle's key theme word
Place to fix this puzzle's theme words?
"Infections" inside this puzzle's theme entries
Word hidden in this puzzle's theme entries
Like the theme words in this puzzle?
Word before the first word in this puzzle's theme answers
Just making things up, or a synonym for a three-word phrase describing this puzzle's theme entries
What this puzzle's theme words aim to do
HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
Word that has two diametrically opposed meanings (like this puzzle's eight theme entries)
Oklahoma Indian (and a three-word description of this puzzle's theme)
Place to use this puzzle's theme words?
Engagement gift (both words suit this puzzle's theme)
This puzzle's theme word