Selecting concepts and content is a study method.In other words, if say, one is studying geology, and reading a textbook about it, it is very helpful to find the concepts and underline them so that in going back over them they will stand out. One such concept would be that mineral deposits are formed partly by hydrothermal fluids and once selected, then it can be examined just how this takes place to fully understand how this takes place and its ramifications. As for content, As for content, it could be like the main types of sedimentary rocks, ie conglomerate, sandstone, siltstone and mudstone ie the types and their respective characterstics.
The opening is important because it sets the tone of the whole narrative.
Explanation:
The opening of a show, movie or a book or even an article is important because it has mainly two very important things to do:
1. Draw attention of the audience to the work.
This is important so that the people give attention to the work as it unfolds in front of them and do not get distracted from it.
2. Give an idea of what the work is going to be about.
It is very important because in good works of art an opening
- either sets an important plot point
- conveys the tone of the work as it would be throughout.
- builds a mystery
- gives a peak into the world one is going to explore.
A. An easy to follow procedure