//Description
$x('//article[@class="product_page"]/p/text()').map(x=>x.wholeText)

//Stock available
$x('//article[@class="product_page"]/div[@class="row"]/div[@class="col-sm-6 product_main"]/p[@class="instock availability"]/text()[2]').map(x=>x.wholeText)
$x('//p[@class="instock availability"]/text()[2]').map(x=>x.wholeText)```