যদি কোনো পরিবর্তনে ভ্যালু বাড়ে আবার সাথে সাথে কমে মানে ওঠানামা
যদি কোনো পরিবর্তনে ভ্যালু বাড়ে আবার সাথে সাথে কমে মানে ওঠানামা করে তাহলে যেসব ভোকাবুলারি আমরা ব্যবহার করতে পারি।

Fluctuate (v): The average monthly temperatures fluctuated throughout the year.
Fluctuation (n): The graph displays fluctuations in the currency exchange rate over the quarter.
Fluctuating (adj): The water level of the lake was fluctuating due to varying rainfall throughout the year.
Vary (v): The daily number of visitors to the museum varied significantly throughout the week.
Variability (n): The chart shows a high variability in monthly rainfall across different regions.
Variable (adj): The monthly sales figures were highly variable, reflecting changes in consumer demand.
Oscillate (v): The annual profit margins oscillated over the past decade, as shown in the line graph.
Oscillation (n): The bar chart presents an oscillation in electricity consumption between summer and winter months.
Waver (v): Interest rates wavered between increases and decreases over the last decade.
Wave (n): The data shows several waves of increase and decrease in the tourist numbers annually.
Shift (v): The pie chart indicates a significant shift from fossil fuels to renewable energy sources over the years.
Shift (n): The graph highlights a shift in global population distribution over the century.
Rise and Fall (v): The graph illustrates the rise and fall of internet usage rates during different times of the day.
Rising and falling (adj): The line graph depicts the rising and falling trends in public transportation usage over the year.