What is indicated by a pattern of longitudinal stripes of uniform dimensions disposed symmetrically about the centerline of a runway?

Question

Question PPL(H) - Private Pilot License - Air Law

QuizVDS · Accepted Answer

Do not touch down before them

QuizVDS · Answer

A ground roll could be started from this position

QuizVDS · Answer

Do not touch down behind them

QuizVDS · Answer

At this point the glide path of an ILS hits the runway

Id 83 - PPL(H) EN - What is indicated by a pattern of longitudinal stripes of uniform dimensions disposed symmetrically about the centerline of a runway?