An Asherah pole is a sacred tree or pole that stood near Canaanite religious locations to honor the Ugaritic mother-goddess Asherah, consort of El. https://en.wikipedia.org/wiki/Asherah_pole
More information is found here: https://www.gotquestions.org/Asherah-pole.html
According to some websites, the Golden Calf was an intermediary (similar to Moses) to their god. http://thetorah.com/what-was-the-golden-calf/
Others state that the golden calf is a symbol of desire.