Locative in a sentence as a noun

It's not locative but part of a phrase verb "catch up with".

Does that mean you could specify an object's location by referring to it in the locative case?

But the basic lesson of locative apps has to be reusable in other communities.

As for the last option, I know nothing about the probability of confusing the instrumental "tichým" with the locative "tichém" in Czech.

Regarding the linked blog page: It's a nice introduction to the idea of cases, but it's not entirely accurate: the usual dative/locative form of Pavel is Pavlovi.

" Primarily, guanxi is more a locative phenomena--anyone can have Guanxi within your community and business--whereas idea of an "old boy's network" pertains to ones connections and access to society at large.

We frequently work in the nexus of business, cultural, and civic spaces, often building for traditional desktop and mobile devices, but also incorporating physical computing and locative aware systems.

For instance Russian speakers tend to prefer to put locative expressions at the beginning on the sentence, so they say "on the table is the fork" instead of "the fork is on the table" which may sound slanted or putting emphasis on a different part of the sentence.

From Wikipedia:> ten classes called simply Class I to Class X and containing all sorts of arbitrary groupings but often characterised as people, long objects, animals, miscellaneous objects, large objects and liquids, small objects, languages, pejoratives, infinitives, mass nouns, plus four 'locative' classes

Locative definitions

noun

the semantic role of the noun phrase that designates the place of the state or action denoted by the verb