No, this phrase means open courses. This lecture is a series of lectures.

Open course

Pronunciation: English [p? n？ k？ s？ z]？ Beauty [? o？ p？ n？ k？ rs？ z].

Interpretation: open class.

When used to express "courses, learning courses", courses are countable nouns, often referring to courses offered at a certain time. It means "a course of a subject", usually followed by the preposition in. When course is used to mean "progress, process", it is an uncountable noun, which generally refers to the natural development process of things. When Course is interpreted as "mode" and "route", it can express the policy, mode and method of action, and when it is interpreted as such, it is a countable noun.

The same root phrase:

Alternative route.

Future progress of future courses.

middle-of-the-road line

Let nature take its course is the only way.

The normal process is on track, on a regular basis.

A prescribed route, policy.

Regular courses, regular procedures.

The usual process, the usual procedure.