0 the earth and all the people, places, and things on it: --
Different parts of the world have very different climatic conditions.
She's a world authority on foetal development.
a world record/championship
1 a group of things such as countries or animals, or an area of human activity or understanding: --
2 a planet or other part of the universe, especially one where life might or does exist: --
3 the planet on which human life has developed, esp. including all people and their ways of life: --
4 all of a particular group or type of thing, such as countries or animals, or a whole area of human activity or understanding: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.