total
The French word 'total' is a direct equivalent to the English word 'total'. It can be used as a noun, adjective, or verb, just like in English. For example, as a noun, it can refer to the sum of several items, as in 'le total des ventes' (the total of the sales). As an adjective, it can mean 'complete' or 'entire', as in 'une défaite totale' (a total defeat). As a verb, it can mean 'to total', as in 'totaliser les points' (to total the points).
The total of the invoice is fifty euros.
In this sentence, 'total' is used as a noun to indicate the sum of cost of all items or services on the invoice.
I need the exact total to be able to settle the bill.
Here, 'total' is again used as a noun. This sentence is expressing the need for the total amount owed in order to pay 'the note' (bill).
The total damage caused by the flood is huge.
This example uses 'total' as a noun to refer to the aggregate sum of all individual damage caused by a flooding incident.