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Yes, those are what were classically considered the "liberal arts" (that is, the arts that were appropriate for free people, rather than slaves, who learned skills appropriate to the trades, if they learned anything at all).

But no, when we currently talk about "liberal arts" (especially in a university setting), we no longer are talking about just those things. The term has changed meaning over the last 2000 years. When someone makes a post today, should assume their use of the term is today's use, not the use from the Greek and Roman era.

> The term "liberal arts" for an educational curriculum dates back to classical antiquity in the West, but has changed its meaning considerably, mostly expanding it. The seven subjects in the ancient and medieval meaning came to be divided into the trivium of rhetoric, grammar, and logic, and the quadrivium of astronomy, arithmetic, geometry, and music. The modern sense of the term usually covers all the natural sciences, formal sciences, social sciences, arts, and humanities.

You might say seven steps!