Render field value
For example, the node title
{{ node.title.value }}
Render field entity value
For example, a field of taxonomy term categories
{{ node.field_categories.entity.name.value }}
Render field value of Paragraph (entity)
You can't print a Paragraph entity in Twig, but you can print every fields
{{ node.field_my_field.entity.field_title.value }}
field_my_field = field in the content-type field_title = field of my Paragraph