THIS ANSWER CONTAINS SPOILERS There are three primary colors (blue, yellow, and red), and How I Met Your Mother contains a symbol for each: the blue French horn, the yellow umbrella, and the red boots. read more
The blue French horn represents Ted actively pursuing and doing anything for love. He seeks out Robin throughout the entire series, just as he repeatedly goes out of his way to get the blue French horn. He didn't stumble upon the blue French horn; he went after it. read more
In Come On, Ted surprises Robin in her apartment with candy, flowers, and a group of musicians with blue instruments (in reference to the Blue French Horn). In Something Blue, Ted was forced to return it to the Carmichaels restaurant when they took his driver's license. They decide to return it to symbolize the end of their relationship. read more
The noun FRENCH HORN has 1 sense: 1. a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves Familiarity information: FRENCH HORN used as a noun is very rare. read more