Ok, now you can create content for update your website and blog information.
For first you can click on MANAGE - CATEGORIES
And you can create categories for grouping your article, after that you can click new content - then insert your title, and write content article in text area, then you can click on options in top text area widget - then select categories for your post, insert description, upload your cover image, and click advance tab menu, now you can insert + add tags in tag area.
Save it for update your content article.
Need to know about content Type :