breakdownbreak·down /ˈbreɪkdaʊn/ noun1[countableC] a statement showing information or a total amount separated into parts so that it is easier to understandA spending breakdown showed the average household spent £47.70 on food per week.
Also in the report is a breakdown of when delays are most likely to occur.
2[countableC, uncountableU] when something fails or stops working properly, especially because people cannot agreebreakdown of/inAt its worst, this legislation represents a total breakdown of the US budget process.
The company issued an apology, and said there had been abreakdown in communications.