How do I manually sort articles? I need to know of a way to manually order the articles displayed in the Drupal 8 front page by displaying a title between each piece. For example,

Title A 

Article 2 
Article 5 
Article 3

Title B 

Article 1 
Article 7

I've tried configuring the front page view and looked into the Drupal 8 article and basic page settings but couldn't determine an effective way by which the above could be achieved. I also looked into whether there are any featured content modules available to suit my above needs but couldn't find any. And also the content needs to be able to be added to any page (not just the front page) as well.

If you anyone could point me in the right direction it would be greatly appreciated
Title a,Title b could be terms of a vocabulary
add this vocabulary as term reference to article
edit your nodes to include desired term
modify front page view to group by term on this vocabulary


to have specific sorting for each of the term articles you can add integer field position to article and use it as sorting criteria in the view

for ordering the terms sort them in the vocabulary term list and use term weight as sorting criteria on view

For sorting one could also use draggable views  and even nodequeue as suggested in the comments