Simplest possible directory required. The Library and information environment has become more complex. Users are confused. Library web sites address very diverse audience which leads to formal tone and approach. Some libraries have addressed this by having split environments in their web site.
Jargon can be imprecise.
Students do not have time to adjust to our schedules. We have the most success with course specific service and when integrated into classes. Time constraints might be addressed by integrating library education with large, core, first semester courses. TA's are trained to assist. Library related assignment is done by TA's.