Webel Parsing Analysis: Where too many dashed line "anchors" from Snippets to elicited members lead to clutter they may be selectively omitted from a Parsing Analysis Diagram (PAD) once each member has been collected.And remember always that:
An optical telescope is a telescope that gathers and focuses light mainly from the visible part of the electromagnetic spectrum
The objective is the optical element that gathers light from the object being observed and focuses the light rays
An eyepiece is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes.
The Gregorian telescope employs a concave secondary mirror that reflects the image back through a hole in the primary mirror.
Focus PAD for the Snippet ''an English-language pangram — a sentence that contains all of the letters of the English alphabet'