Difference between Loiter and Lollygag

LOITER vs LOLLYGAG: NOUN

To stand about without any aim or purpose; to stand about idly; to linger; to hang around.
Be about

To violate a law or ordinance that prohibits persons from remaining in a given location without a clear purpose for an extended period of time, especially when behaving in a manner indicating a possible threat to persons or property in the vicinity.
To hover over or remain near an area.
To proceed slowly or with many stops.
To act slowly or with leisure; take one's time.
To be slow in moving; to delay; to linger; to be dilatory; to spend time idly; to saunter; to lag behind.
To wander as an idle vagrant.
To stand idly about; linger without any purpose.

Be about a place without any apparent purpose
To linger; be unduly slow in moving; delay; be dilatory; spend time idly.
Synonyms To lag, tarry, saunter, dilly-dally.
To consume or waste, as time, idly or carelessly: used with away: as, he loitered away most of his leisure.

Congregate, Wander, Lag, Mess about, Hang around, Lallygag, Mill about, Footle, Mill around, Loaf, Lounge, Tarry, Lollygag, Linger, Lurk

Sulk, Laze, Dawdle, Mill around, Mill about, Mess about, Lallygag, Hang around, Footle, Lounge, Loaf, Lurk, Linger, Tarry, Loiter

Congregate, Wander, Lag, Mill around, Mill about, Mess about, Lallygag, Hang around, Footle, Loaf, Lounge, Tarry, Lollygag, Linger, Lurk

Wander, Sulk, Laze, Mill around, Mill about, Mess about, Lallygag, Hang around, Footle, Lounge, Loaf, Lurk, Linger, Tarry, Loiter

The Lower school students won't have time to loiter around town all day.
Students will not be permitted to loiter in the hallways after school hours.
Students are not to sit in or loiter around the vehicles.
Students may not loiter in hallways, stairways, the cafeteria, or restrooms.
EVER AT LCI AND ANY OTHER FORUM THAT YOU LOITER, STALK.
Do not loiter outside the building, especially after dark.
Begin loiter at the specified Latitude and Longitude.
Foreigners loiter outside Anchorvale CC to watch g..
Students should not loiter in the parking lot.
Loiter, or be permitted to loiter, in or about any roomwherein any gambling game is operated or conducted.

Is Salvidor always wordy and eurythmic when lollygag some Sidonie very cheekily and immortally?