where is Graphic Design

In a word 'everywhere' everything man made around us is designed in some way, shape or form. From the average poster on a wall, to the layout of the shoes in a shoe shop, to the placing of building on a street. Looking around my room now my eyes are drawn to a wooden box. It has buckles on press studs on to fasten and trimmings, thinking more about the design of this box sizing, placing, materials, durability, and everything included in making a box will have to have been design and calculated to create a visually pleasing box. Even the smallest things have graphic design evident. Like on a phone charger, the logo and shape has had to be designed (why are all chargers different shapes??).