Meaning of Investment from different Perspectives: Investment is a term frequently used in the fields of economics, business management and finance. It can mean savings alone, or savings made through delayed consumption. Investment can be divided into different types according to various theories and principles.
Development at 4 Weeks. At this point the baby is developing the structures that will eventually form his face and neck. The heart and blood vessels continue to develop. And the lungs, stomach, and liver start to develop.
1 1-3 months-Babies smile for the first time. 2  2-4 months-Social smiles develop, which actively engage the parents and are used to elicit a response. 3  3-6 months-Babies begin to laugh. 4  4-6 months-Babies laugh when tickled.