Write the headline of the subject’s you wanna write.
Make specific things more important by doing this, this, or this. There is also another exclusive to editing a page.
Add pictures if necessary by putting it in a template.(1-1: upload a picture. 1-2: copy the jpg name. 1-3: paste the copied jpg number to photo section of the said template)
Add information about the picture in the template.
Its finished. These are foundation for an article.
As a bonus step, you can add the source of the info that you wrote or add trivia infos.