What is meant by collinear line

Collineaar means?lying on the same line, such as a set of points.?In geometry, collinearity is a property of a set of points, specifically, the property of lying on a single line.?Obviously two points are always collinear, since a straight line can always be drawn through two points.?

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We say here that point B is collinear with points A,C and D Or we can say that points A,B,C,D are collinear.