The charging pillar is the actual physical pillar whilst the charging point is part of the charging pillar. In practice, a single charging pillar may consist of two charging points.
As a general rule, the time taken for the battery to be charged depends heavily on the battery pack of the vehicle and the technology used within the vehicle as well as the type of charging infrastructure one uses. However, charging through the off-peak hours would be more than sufficient to cover the needs for the daily commute of a normal user.