Example gist for issue https://www.drupal.org/project/migrate_plus/issues/2949271 migration using destination plugin

migrate_plus.migration.termgroup2table.yml

id: termgroup2table
label: "Group taxonomy terms to group model."
migration_group: d82tables
dependencies:
  enforced:
    module:
      - capacitype_move2aa
langcode: en
status: true
source:
  plugin: c5ontent_entity:taxonomy_term
  bundle: group
  include_translations: false
process:
  name: 'name/0/value'
  description: 'description/0/value'
  created_at:
    plugin: c5_timestamp_to_datetime
    source: 'changed/0/value'
  updated_at:
    plugin: c5_timestamp_to_datetime
    source: 'changed/0/value'
destination:
   plugin: table
   table_name: groups
   database_key: aa
   id_fields:
      id:
        type: integer
   fields:
      id: 'id'
      name: 'name'
      description: 'description'
      alias: alias
      url: url
      created_at: created_at
      updated_at: updated_at