tour d'horizon
/ˌtʊə dɒrɪˈzɒ̃
/ /tuʀ dɔʀizɔ̃/noun (plural tours d'horizon pronounced same)
A broad general survey or summary of an argument or event: the annual drug assessment provides a crucial tour d’horizon of where the drugs originate
Origin
French, literally 'tour of the horizon'.