Source: p 39, The Law of Contract, 5 ed (2012), by O’Sullivan and Hilliard
2.83. … We have seen that the general rule is that displaying goods in shops only constitutes an invitation to treat, although there are good reasons
for taking a diff erent approach (paras 2.22–2.23). However, what of a typical
website that allows the customer to select the item, enter his payment details and
seemingly conclude the agreement online. In this situation, then (absent the terms
and conditions of the site providing to the contrary) it is suggested that it is clear
that a contract has been concluded … The
natural inference is thata deal has been concluded
, as where you get through the
checkout at a supermarket and have paid for the goods. You would not expect in
these circumstances for the seller to be able to pull out.
What are the similarities and differences? Why not as when? The relative adverb modifies [the exact time that] 'a deal has been concluded', which is NOT 'a place, location, or space' as required below?
- (Source) "The relative adverb when is used to modify a noun phrase of time. Such noun phrases include nouns that denote periods of time such as, day, week, hour, minute, month, year, and similar events.
- The relative adverb where is used to modify a noun phrase of place, location, or space.
Best Answer
Where can also be used to indicate a situation, rather than just a location. The same goes for there; it is used to indicate a location, but by extension also a situation, a description of what happens, rather than the exact place where it happens:
Have a look, for instance, at this well-known idiom (from Cambridge):
Notice that in the explanation, if is used with this meaning: when you want it, then it is possible.