The most common and most likely answer to this crossword clue is the 7 letter word RIPPLES
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Buddy explains!

The straight part
We know that "made by disturbing types" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case made by disturbing types = ripples.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 RIPPLES mean?
RIPPLES noun- A moving disturbance, or undulation, in the surface of a fluid.
- A sound similar to that of undulating water.
- A style of ice cream in which flavors have been coarsely blended together.
- A small oscillation of an otherwise steady signal.
- To move like the undulating surface of a body of water; to undulate.
- To propagate like a moving wave.
- To make a sound as of water running gently over a rough bottom, or the breaking of ripples on the shore.
- To shape into a series of ripples.
- To launch or unleash in rapid succession.
- To scratch, tear, or break slightly; graze
- An implement, with teeth like those of a comb, for removing the seeds and seed vessels from flax, broom corn, etc.
- To remove the seeds from (the stalks of flax, etc.), by means of a ripple.