Absolutely not.
There are supply chain issues, and we've seen that. People have talked extensively about the various supply chain issues with shops or factories shutting down in China, for example, or with the shipping of goods across the globe being interrupted by various events.
Energy is.... Many energy commodities are traded globally, so the price of a barrel of oil, whether we produce it domestically or buy it from abroad, is influenced by external events.
These are two very easy examples to understand that inflation has domestic but also external components. Food is also affected by energy prices, but it is also affected by shortages or lack of supply and increased demand in many parts of the world. There are a lot of factors that come into play when determining overall inflation, some of which are domestic and some of which are global.