difference between --create and --table in migration file code example

Example 1: laravel change column

Schema::table('users', function (Blueprint $table) {
    $table->string('name', 50)->nullable()->change();
});

Example 2: drop column migration laravel

Class RemoveCommentViewCount extends Migration
  {
      public function up()
      {
          Schema::table('articles', function($table) {
             $table->dropColumn('comment_count');
             $table->dropColumn('view_count');
          });
      }

      public function down()
      {
          Schema::table('articles', function($table) {
             $table->integer('comment_count');
             $table->integer('view_count');
          });
      }
  }