Eg. 15M on the left, 5M chart on the right. 1H on the left, 15M on the right.
This way, if I am looking at TZ then I can see whether a TZ is forming at the same times on both timeframes.
TZs will always form alot quicker on smaller timeframes... so when they're both in sync, it's more powerful.
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With Similarity... i'm guessing from your questions to me that you are wanting to relate it quickly to Long or Short.
If you want to do this, investigate the CI method. This has been good for Orid Peter. He then combined it with TZ... voila... Cha Ching.
The CI method gives you signals that can be trade triggers. Study up on it.
If you go down the ZZBB method, then there's a whole bunch of things you need to look out for - really requires that you know how to trade already.
If you use Ralome's indicator... that's a whole new ballgame, graduate level if you like.
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Apologies: don't want to confuse you... Want to guide you towards simplicity.... before dissimilarity. LOL
A pip is only worth it if you know how much you risked to earn it