pretty good vedio for the article and aside is bellow↓

Question

https://youtu.be/qTfVB1PiLuI

Answer 1

(section)

one Good advice from an experienced guy :

if you want to know what is what literally just give it background color in the CSS section like that

article { background-color : lightblue;
}
section { background-color : green ; }

this will help you better understand which element is this .

Answer 2

1. <article> == "Times Magazine"
1.1 <section> == "news"
1.1.1 <article> == "story 1"
1.1.1.1 <section> == "text"
1.1.1.2 <section> == "image"
1.1.2 <article> == "story 2"
...
1.2 <section> == "economics"
1.3 <section> == "sports"
1.4 <section> == "gossip"