Stock Chart or Technical charts:
Technical charts is a graphical representation of data, in which “the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart”. A chart can represent tabular numeric data, functions or some kinds of qualitative structure and provides different info.
Technical charts mean that it can be used for the purpose of some kind of technical analysis
Candlestick chart :
It is like a combination of line-chart and a bar-chart: each bar represents all four important pieces of information for that day: The open, the close, the high and the low. Being densely packed with information, they tend to represent trading patterns over short periods of time, often a few days or a few trading sessions
A candlestick chart (also called Japanese candlestick chart) is a style of financial chart used to describe price movements of a security, derivative, or currency. Each “candlestick” typically shows one day, thus a one-month chart may show the 20 trading days as 20 “candlesticks”. Shorter intervals than one day are common on computer charts, longer are possible. Candlestick charts are most often used in technical analysis of equity and currency price patterns. They are visually similar to box plots, though box plots show different information