Asset description is not available in operational work order lists (Work Order | Open | WO Lists) for efficiency. In the coming release of R2022e asset description is available in work order report lists (Work Order | Report | WO Lists). For instance, the screenshot below shows asset description in "All WO (Time Requested)" report.
It's possible to enable Asset description in operational work order lists (Work Order | Open | WO Lists). It is done through client configuration changes. For instance, the following line enables asset description in "All WO" list (Work Order | Open | All WO). There are factors to consider when enabling asset description in an operational list.
//Enable Asset Description in All WO list (WO | Open | All WO) CmItemDef['CmWoFormList']['CmFormInfo']['model']='cmv_wo';