The most common and most likely answer to this crossword clue is the 6 letter word TOTEMS
I've seen this crossword clue in Independent
T
O
T
E
M
S
More clues leading to the result TOTEMS
Buddy explains!

The straight part
We know that "Symbolic representations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case symbolic representations = totems.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.
What does TOTEMS mean?
TOTEMS noun- Any natural object or living creature that serves as an emblem of a tribe, clan or family.
- The representation of such object or creature.
- The clan whose kinship is defined in reference to such an object or creature.
- An arbitrarily chosen object serving as a reminder to check whether one is awake or not, to aid in having lucid dreams.