local, locale, lo-cal

Local or local describes something nearby, or within a close range--
Do you know where the local hardware store is?
She did most of her shopping at the local market, instead of driving to the shopping center.
Local means specific to a particular place--
They heard music, and found there was a local festival going on.
Is he a local, or from out of town?
Local may mean a train that only goes a short distance, or that makes a lot of stops--
Is this train a local or an express?

Locale or locale ( rhymes with lo-cal ) is a noun ( thing or idea ), meaning a setting, as for a movie or show--
The locale is a small town in the old west.
The film crew  had to move to a different locale, where there was more sun for outdoor shooting.

Lo-cal  or lo-cal is an abbreviation ( short form ) of low calorie--
I'd like a cup of coffee with lo-cal sweetener.
This says lo-cal, so I guess it won't break my diet.

Now that you know that, you can say--
"The local cafe made a great locale to film the commercial  for lo-cal soda."

Note--"location" is a noun ( thing or idea ), meaning a place or site--
This would be a fine location for a home or business.
"Location" may mean one of a set of places, as with a chain store or fast food--
We don't offer that service at this location.
"On location" means shooting a film in a real setting, instead of on a set built to look real--
They shot most of the film on location in the desert.
Note # 2--"locality" is a noun ( thing or idea ), meaning a general place or district--
There are already three fast-food outlets in this locality.
Note # 3-- "locally" describes an action as happening nearby, or within a close range--
The "greens" are urging us to shop locally.