The most common and most likely answer to this crossword clue is the 7 plus 6 letter word CAPITAL LETTER
I've seen this crossword clue in The Times
C
A
P
I
T
A
L
L
E
T
T
E
R
More clues leading to the result CAPITAL LETTER
Buddy explains!
The straight part
We know that "For example, Lima to Landlord" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case for example, lima to landlord = capital letter.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.