Is it true or falce about wild and scatter symbols?

In addition to the usual symbols, the combination of which gives winning combinations, there are also special ones. For example, a wild symbol (Wild) replaces any other. That is, the combination becomes winning if it has dropped out and two identical symbols.

Scatter symbols are marked with a special character (Scatter), depending on the theme of the game, which indicate the bonus game. Usually there are three such characters. The bonus game can include free spins, a separate game, a task, or it can consist of all the components.
The fact is that, I have been playing on the site on this webpage for a long time and I never had any questions, but after the update it appeared
I would like to know your opinion, do I think correctly or not

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