Based on the name, i'm gonna go ahead and guess 3. Added.
sum
/səm/Submit
noun
1.
a particular amount of money.
"they could not afford such a sum"
synonyms: amount, quantity, volume More
2.
the total amount resulting from the addition of two or more numbers, amounts, or items.
"the sum of two prime numbers"
synonyms: (sum) total, grand total, tally, aggregate, summation
"the sum of two numbers"
Physical component means Computer Hardware which you can touch and non Physical component means Software, which you can not touch. nonphysical component designed specially for physically component. like Microsoft company designed Software according the Hardware for example Microsoft windows 64 bit could not install on which 32 bit Architecture Hardware.
Kickstarter is a crowdfunding platform that offers opportunities for its users to financially invest in projects made by others users. The projects available are incredibly varied in terms of its product category ranging from technological innovations to board games. The platform has been around since 2009. Users who can post projects come from various countries, such as United Kingdom, United States, Spain, and even Hong Kong. To date, Kickstarter has managed to raise more than USD 1 billion for over 250,000 projects.